Home / 7,865,394.72-10,854,450-4,427,761.20

Finding the Fourth Proportional to 7,865,394.72, 10,854,450 and 4,427,761.20

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Solution

The fourth proportional to 7,865,394.72, 10,854,450 and 4,427,761.20 is: 6,110,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865,394.72 : 10,854,450 = 4,427,761.20 : x
  2. Step 2: Convert to fraction form
    7,865,394.72/10,854,450 = 4,427,761.20/x
  3. Step 3: Cross multiply
    7,865,394.72x = 10,854,450 × 4,427,761.20
  4. Step 4: Simplify right side
    7,865,394.72x = 48,060,912,557,340
  5. Step 5: Solve for x
    x = 48,060,912,557,340/7,865,394.72
  6. Step 6: Final answer
    x = 6,110,426.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.